The Wiesler Family Foundation
The Wiesler Family Foundation is a private foundation based in Boston, Massachusetts. Its 2024 filing reports 37 grants totaling $357,220 to charitable organizations.
The Wiesler Family Foundation at a glance
In short: The Wiesler Family Foundation gave $357K across 37 grants in 2024 (avg $10K), top state Florida. 19% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $357,220
- +15.8% vs 2023
- Grants made (2024)
- 37
- +19.4% vs 2023
- Average grant
- $9,655
- -3.0% vs 2023
- Median grant
- $6,000
- Total assets
- $7,860,595
- +15.6% vs 2023
- New grantees (estimate)
- 19% first-time grantees (7 of 37, 2024)
- Primary geography
- Florida (25% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to The Wiesler Family Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: 53 State Street, Boston, MA 02109
Phone: (239) 643-0257
Website: https://davewiesler.com
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Wiesler Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was American Technion Society ($35K). Together the top 10 received $211K.
Grant Size Distribution
180 grants across all recorded years
The most common grant size was under $50K: 179 grants of 180 (99%).
Geographic Focus
Where this funder awards grants
In 2024, the largest shares of grant dollars went to recipients in Florida (25%), Massachusetts (22%), New York (16%), North Carolina (13%), and Illinois (9%).
Grant Distribution by State
Share of 2024 grant dollars across all 37 itemized grants.
States
Cities
Is The Wiesler Family Foundation open to new grantees?
19%
first-time grantees, 2024
In 2024, 7 of 37 grantees (19%) were first-time recipients. First grants averaged $9K; repeat grants $10K. How we count
Medians: $6K first-time, $7K repeat.
- 59% of 2024 grantees were also funded in 2023. Method
- Giving held roughly steady from 2021 to 2024 (+19%). Method
- In 2024 it paid out 95% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2024, annual grant giving ranged from $250K (2019) to $375K (2022). In 2024 it made 37 grants totaling $357K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| American Technion Society Boca Raton, FL | Unrestricted | $35,200 |
| Alzheimers Association Chicago, IL | Unrestricted | $25,000 |
| Artis-Naples (Naples Philharmonic) Naples, FL | Unrestricted | $25,000 |
| Atrium Health Wake Forest Baptist Wake Forest, NC | Unrestricted | $25,000 |
| American Friends of New York, NY | Unrestricted | $21,500 |
| Alliance for the Climate Washington, DC | Unrestricted | $19,000 |
| Friends of the Lone Soldier New York City, NY | Unrestricted | $15,000 |
| Greentown Collaborative Somerville, MA | Unrestricted | $15,000 |
| Jewish Alliance for Law and Social Justice Boston, MA | Unrestricted | $15,000 |
| NCH Healthcare System Naples, FL | Unrestricted | $15,000 |
Ready to take the next step with The Wiesler Family Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $7,860,595 | $1,484,223 | $420,580 | $357,220 | 37 | $357,220 | $1,526,718 | $377,861 |
| 2023 | $6,796,952 | $268,245 | $353,567 | $308,600 | 31 | $308,600 | $227,539 | $356,851 |
| 2022 | $6,888,471 | $1,162,079 | $404,956 | $375,380 | 39 | $375,380 | $345,491 | $316,505 |
| 2021 | $6,131,348 | $225,256 | $326,248 | $300,000 | 36 | $300,000 | $213,917 | $365,434 |
| 2020 | $6,409,078 | $1,054,901 | $313,960 | $280,000 | 37 | — | $1,043,678 | $300,262 |
| 2019 | $5,668,137 | $1,497,679 | $266,215 | $250,000 | 34 | — | $1,409,785 | $289,387 |
Under IRS private-foundation payout rules, The Wiesler Family Foundation reported a distributable amount of $378K for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
No foundation mission statement is provided. Its 2024 grants show support for a range of organizations. For example, Greentown Collaborative describes its mission as accelerating climate, energy, and environmental innovations; Year Up says it works to close the opportunity divide for young adults through skills, experience, and support; and NCH Healthcare System describes its aim as helping people live longer, happier, and healthier lives.
Other 2024 grantees include organizations whose stated missions involve education for girls in Jerusalem, support for lone soldiers, sexual and reproductive health and rights, and providing beds and books to families in need. These are the grantees’ descriptions of their own work.
Grantmaking
In 2024, the foundation awarded 37 grants totaling $357,220. Grant amounts ranged from $720 to $35,200, with a median of $6,000. The largest listed grants included $35,200 to American Technion Society, $25,000 each to Alzheimer’s Association, Artis-Naples (Naples Philharmonic), and Atrium Health Wake Forest Baptist, and $21,500 to American Friends of.
Other notable 2024 grants included $19,000 to Alliance for the Climate; $15,000 each to Friends of the Lone Soldier, Greentown Collaborative, Jewish Alliance for Law and Social Justice, and NCH Healthcare System; and $10,000 to Dana Farber.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Michal Wiesler, Robert Vigoda, and Jonathan Wiesler as trustees.
The Wiesler Family Foundation's 2024 filing lists 3 officers; none of the 3 officers listed in 2024 report compensation.
Officers on the 2024 filing
Michal Wiesler
Trustee
On filings since 2019
1 hr/week
No compensation reported
Jonathan Wiesler
Trustee
On filings since 2021
1 hr/week
No compensation reported
Robert Vigoda
Trustee
On filings since 2021
1 hr/week
No compensation reported
Former officers (1)
- Former: Mordechai Wiesler (2019–2020) — Trustee
Data from IRS Form 990 filings, 2019–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about The Wiesler Family Foundation
How much does The Wiesler Family Foundation give each year?
The Wiesler Family Foundation gave $357K across 37 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $309K across 31 grants.
What is The Wiesler Family Foundation's typical grant size?
The Wiesler Family Foundation's median grant in 2024 was $6,000, and its average grant was $9,655, across 37 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The Wiesler Family Foundation that year got $9K on average.
Where does The Wiesler Family Foundation give grants?
The Wiesler Family Foundation's top state is Florida, with 25% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Massachusetts (22%) and New York (16%). The most frequent recipient cities were New York, NY (4 grants), Winston-Salem, NC (4 grants), San Francisco, CA (4 grants) and Naples, FL (3 grants).
Does The Wiesler Family Foundation give general operating support?
Yes: 100% of The Wiesler Family Foundation's 2024 grants with a stated purpose (37 of 37) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are The Wiesler Family Foundation's largest grantees?
The Wiesler Family Foundation's largest 2024 grantees include American Technion Society ($35,200), Alzheimers Association ($25,000) and Artis-Naples (Naples Philharmonic) ($25,000), according to its 2024 IRS Form 990-PF. Together they received 24% of its itemized 2024 grant dollars.
How large is The Wiesler Family Foundation?
The Wiesler Family Foundation reported $7.9M in total assets on its 2024 IRS Form 990-PF. It paid out $357K in qualifying distributions that year, against a required minimum of $378K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does The Wiesler Family Foundation fund?
No foundation mission statement is provided. Its 2024 grants show support for a range of organizations. See mission & focus areas ↑
How do I apply for a grant from The Wiesler Family Foundation?
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Wiesler Family Foundation's EIN?
The Wiesler Family Foundation's EIN (Employer Identification Number) is 30-6170527. IRS Form 990 filing data is available on this page for 2019–2024.
Does The Wiesler Family Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS July 7, 2020)
- IRS filings on file for fiscal years 2019–2024
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Cite this profile
Grantable. (2026). The Wiesler Family Foundation funder profile. GrantGraph. Retrieved October 26, 2026, from https://grantable.co/funders/the-wiesler-family-foundation-morg_124575030a0449ce89b186ca3733ca1e
BibTeX
@misc{grantable_306170527_2026,
author = {{Grantable}},
title = {{The Wiesler Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-wiesler-family-foundation-morg_124575030a0449ce89b186ca3733ca1e},
note = {Accessed 2026-10-26. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The Wiesler Family Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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